lemon/bits/extendable_graph_extender.h
author hegyi
Tue, 06 Dec 2005 10:53:38 +0000
changeset 1849 a4d1362397fe
parent 1820 22099ef840d7
child 1909 2d806130e700
permissions -rw-r--r--
Notebook style is provided. Without opportunity to close tabs. :-) But with all other necessary things (I think).
     1 // -*- c++ -*-
     2 
     3 #ifndef LEMON_EXTENDABLE_GRAPH_EXTENDER_H
     4 #define LEMON_EXTENDABLE_GRAPH_EXTENDER_H
     5 
     6 namespace lemon {
     7 
     8   template <typename _Base> 
     9   class ExtendableGraphExtender : public _Base {
    10   public:
    11 
    12     typedef ExtendableGraphExtender Graph;
    13     typedef _Base Parent;
    14 
    15     typedef typename Parent::Node Node;
    16     typedef typename Parent::Edge Edge;
    17 
    18     Node addNode() {
    19       Node node = Parent::addNode();
    20       Parent::getNotifier(Node()).add(node);
    21       return node;
    22     }
    23     
    24     Edge addEdge(const Node& from, const Node& to) {
    25       Edge edge = Parent::addEdge(from, to);
    26       Parent::getNotifier(Edge()).add(edge);
    27       return edge;
    28     }
    29 
    30   };
    31 
    32   template <typename _Base> 
    33   class ExtendableEdgeSetExtender : public _Base {
    34   public:
    35 
    36     typedef ExtendableEdgeSetExtender Graph;
    37     typedef _Base Parent;
    38 
    39     typedef typename Parent::Edge Edge;
    40     typedef typename Parent::Node Node;
    41 
    42     Edge addEdge(const Node& from, const Node& to) {
    43       Edge edge = Parent::addEdge(from, to);
    44       Parent::getNotifier(Edge()).add(edge);
    45       return edge;
    46     }
    47 
    48   };
    49 
    50   template <typename _Base> 
    51   class ExtendableUndirGraphExtender : public _Base {
    52   public:
    53 
    54     typedef ExtendableUndirGraphExtender Graph;
    55     typedef _Base Parent;
    56 
    57     typedef typename Parent::Node Node;
    58     typedef typename Parent::Edge Edge;
    59     typedef typename Parent::UndirEdge UndirEdge;
    60 
    61     Node addNode() {
    62       Node node = Parent::addNode();
    63       Parent::getNotifier(Node()).add(node);
    64       return node;
    65     }
    66 
    67     UndirEdge addEdge(const Node& from, const Node& to) {
    68       UndirEdge uedge = Parent::addEdge(from, to);
    69       Parent::getNotifier(UndirEdge()).add(uedge);
    70 
    71       std::vector<Edge> edges;
    72       edges.push_back(Parent::direct(uedge, true));
    73       edges.push_back(Parent::direct(uedge, false));
    74       Parent::getNotifier(Edge()).add(edges);
    75 
    76       return uedge;
    77     }
    78 
    79   };
    80 
    81   template <typename _Base> 
    82   class ExtendableUndirEdgeSetExtender : public _Base {
    83   public:
    84 
    85     typedef ExtendableUndirEdgeSetExtender Graph;
    86     typedef _Base Parent;
    87 
    88     typedef typename Parent::Node Node;
    89     typedef typename Parent::Edge Edge;
    90     typedef typename Parent::UndirEdge UndirEdge;
    91 
    92     UndirEdge addEdge(const Node& from, const Node& to) {
    93       UndirEdge uedge = Parent::addEdge(from, to);
    94       Parent::getNotifier(UndirEdge()).add(uedge);
    95 
    96       std::vector<Edge> edges;
    97       edges.push_back(Parent::direct(uedge, true));
    98       edges.push_back(Parent::direct(uedge, false));
    99       Parent::getNotifier(Edge()).add(edges);
   100 
   101       return uedge;
   102     }
   103 
   104   };
   105 
   106 
   107   template <typename _Base>
   108   class ExtendableUndirBipartiteGraphExtender : public _Base {
   109   public:
   110 
   111     typedef _Base Parent;
   112     typedef ExtendableUndirBipartiteGraphExtender Graph;
   113   
   114     typedef typename Parent::Node Node;
   115     typedef typename Parent::LowerNode LowerNode;
   116     typedef typename Parent::UpperNode UpperNode;
   117     typedef typename Parent::Edge Edge;
   118     typedef typename Parent::UndirEdge UndirEdge;
   119   
   120     Node addUpperNode() {
   121       Node node = Parent::addUpperNode();
   122       Parent::getNotifier(UpperNode()).add(node);
   123       Parent::getNotifier(Node()).add(node);
   124       return node;
   125     }
   126 
   127     Node addLowerNode() {
   128       Node node = Parent::addLowerNode();
   129       Parent::getNotifier(LowerNode()).add(node);
   130       Parent::getNotifier(Node()).add(node);
   131       return node;
   132     }
   133   
   134     UndirEdge addEdge(const Node& source, const Node& target) {
   135       UndirEdge undiredge = Parent::addEdge(source, target);
   136       Parent::getNotifier(UndirEdge()).add(undiredge);
   137     
   138       std::vector<Edge> edges;
   139       edges.push_back(Parent::direct(undiredge, true));
   140       edges.push_back(Parent::direct(undiredge, false));
   141       Parent::getNotifier(Edge()).add(edges);
   142     
   143       return undiredge;
   144     }
   145 
   146   };
   147 
   148 }
   149 
   150 #endif